C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/ecco/ecco_cost_init_varia.F,v 1.20 2011/03/20 01:52:40 heimbach Exp $
C $Name:  $

#include "AD_CONFIG.h"
#include "COST_CPPOPTIONS.h"

      subroutine ecco_cost_init_varia( mythid )

c     ==================================================================
c     SUBROUTINE ecco_cost_init_varia
c     ==================================================================
c
c     o Initialise the variable cost function part.
c
c     started: Christian Eckert eckert@mit.edu 30-Jun-1999
c     changed: Christian Eckert eckert@mit.edu 18-Apr-2000
c              - Restructured the code in order to create a package
c                for the MITgcmUV.
c     heimbach@mit.edu 05-Nov-2003 Now ecco part of cost
c
c     ==================================================================
c     SUBROUTINE ecco_cost_init_varia
c     ==================================================================

      implicit none

c     == global variables ==

#include "EEPARAMS.h"
#include "SIZE.h"
#include "GRID.h"

#include "ecco_cost.h"

c     == routine arguments ==

      integer mythid

c     == local variables ==

      integer bi,bj
      integer itlo,ithi
      integer jtlo,jthi
      integer imin, imax
      integer jmin, jmax
      integer i,j,k
      integer num_file,num_var

      logical exst

c     == external functions ==

c     == end of interface ==
      jtlo = mybylo(mythid)
      jthi = mybyhi(mythid)
      itlo = mybxlo(mythid)
      ithi = mybxhi(mythid)
      jmin = 1-OLy
      jmax = sny+OLy
      imin = 1-OLx
      imax = snx+OLy

c--   Initialise adjoint of monthly mean files calculated
c--   in cost_averagesfields (and their ad...).
      call cost_averagesinit( mythid )
      _BARRIER

#ifndef ALLOW_TANGENTLINEAR_RUN
cph(
cph   The following init. shoud not be applied if in the middle
cph   of a divided adjoint run
cph)
c      inquire( file='costfinal', exist=exst )
c      if ( .NOT. exst) then
c         call ecco_cost_init_barfiles( mythid )
c      endif
#endif

c--   Initialize the tiled cost function contributions.
      do bj = jtlo,jthi
        do bi = itlo,ithi
          objf_hflux(bi,bj)    = 0. _d 0
          objf_hfluxm(bi,bj)   = 0. _d 0
          objf_sflux(bi,bj)    = 0. _d 0
          objf_sfluxm(bi,bj)   = 0. _d 0
          objf_tauu(bi,bj)     = 0. _d 0
          objf_tauum(bi,bj)    = 0. _d 0
          objf_tauv(bi,bj)     = 0. _d 0
          objf_tauvm(bi,bj)    = 0. _d 0
          objf_temp(bi,bj)     = 0. _d 0
          objf_salt(bi,bj)     = 0. _d 0
          objf_temp0(bi,bj)    = 0. _d 0
          objf_salt0(bi,bj)    = 0. _d 0
          objf_temp0smoo(bi,bj)  = 0. _d 0
          objf_salt0smoo(bi,bj)  = 0. _d 0
          objf_etan0(bi,bj)    = 0. _d 0
          objf_uvel0(bi,bj)    = 0. _d 0
          objf_vvel0(bi,bj)    = 0. _d 0
          objf_tmi(bi,bj)      = 0. _d 0
          objf_sst(bi,bj)      = 0. _d 0
          objf_sss(bi,bj)      = 0. _d 0
          objf_bp(bi,bj)       = 0. _d 0
          objf_h(bi,bj)        = 0. _d 0
          objf_tp(bi,bj)       = 0. _d 0
          objf_ers(bi,bj)      = 0. _d 0
          objf_gfo(bi,bj)      = 0. _d 0
          objf_ctdt(bi,bj)     = 0. _d 0
          objf_ctds(bi,bj)     = 0. _d 0
          objf_ctdtclim(bi,bj) = 0. _d 0
          objf_ctdsclim(bi,bj) = 0. _d 0
          objf_xbt(bi,bj)      = 0. _d 0
          objf_argot(bi,bj)    = 0. _d 0
          objf_argos(bi,bj)    = 0. _d 0
          objf_drift(bi,bj)    = 0. _d 0
          objf_wdrift(bi,bj)   = 0. _d 0
          objf_sdrift(bi,bj)   = 0. _d 0
          objf_tdrift(bi,bj)   = 0. _d 0
          objf_scatx(bi,bj)    = 0. _d 0
          objf_scaty(bi,bj)    = 0. _d 0
          objf_scatxm(bi,bj)   = 0. _d 0
          objf_scatym(bi,bj)   = 0. _d 0
          objf_atemp(bi,bj)    = 0. _d 0
          objf_aqh(bi,bj)      = 0. _d 0
          objf_precip(bi,bj)   = 0. _d 0
          objf_swflux(bi,bj)   = 0. _d 0
          objf_swdown(bi,bj)   = 0. _d 0
          objf_uwind(bi,bj)    = 0. _d 0
          objf_vwind(bi,bj)    = 0. _d 0
          objf_obcsn(bi,bj)    = 0. _d 0
          objf_obcss(bi,bj)    = 0. _d 0
          objf_obcsw(bi,bj)    = 0. _d 0
          objf_obcse(bi,bj)    = 0. _d 0
          objf_curmtr(bi,bj)   = 0. _d 0
          objf_ageos(bi,bj)    = 0. _d 0
          objf_diffkr(bi,bj)   = 0. _d 0
          objf_kapgm(bi,bj)    = 0. _d 0
          objf_kapredi(bi,bj)    = 0. _d 0
          objf_theta_ini_fin(bi,bj) = 0. _d 0
          objf_salt_ini_fin(bi,bj)  = 0. _d 0
          objf_eddytau(bi,bj)    = 0. _d 0
          objf_bottomdrag(bi,bj)    = 0. _d 0
#ifdef ALLOW_GENCOST_CONTRIBUTION
          do k=1,NGENCOST
            objf_gencost(bi,bj,k)    = 0. _d 0
          enddo
#endif
          do k=1,NUSERCOST
            objf_usercost(k,bi,bj)   = 0. _d 0
          enddo
          do k=1,NSSHV4COST
            objf_sshv4cost(k,bi,bj)  = 0. _d 0
          enddo
c
          num_hflux(bi,bj)    = 0. _d 0
          num_hfluxm(bi,bj)   = 0. _d 0
          num_hfluxmm(bi,bj)  = 0. _d 0
          num_sflux(bi,bj)    = 0. _d 0
          num_sfluxm(bi,bj)   = 0. _d 0
          num_sfluxmm(bi,bj)  = 0. _d 0
          num_tauu(bi,bj)     = 0. _d 0
          num_tauum(bi,bj)    = 0. _d 0
          num_tauv(bi,bj)     = 0. _d 0
          num_tauvm(bi,bj)    = 0. _d 0
          num_temp(bi,bj)     = 0. _d 0
          num_salt(bi,bj)     = 0. _d 0
          num_temp0(bi,bj)    = 0. _d 0
          num_salt0(bi,bj)    = 0. _d 0
          num_etan0(bi,bj)    = 0. _d 0
          num_uvel0(bi,bj)    = 0. _d 0
          num_vvel0(bi,bj)    = 0. _d 0
          num_tmi(bi,bj)      = 0. _d 0
          num_sst(bi,bj)      = 0. _d 0
          num_sss(bi,bj)      = 0. _d 0
          num_bp(bi,bj)       = 0. _d 0
          num_h(bi,bj)        = 0. _d 0
          num_tp(bi,bj)       = 0. _d 0
          num_ers(bi,bj)      = 0. _d 0
          num_gfo(bi,bj)      = 0. _d 0
          num_ctdt(bi,bj)     = 0. _d 0
          num_ctds(bi,bj)     = 0. _d 0
          num_ctdtclim(bi,bj) = 0. _d 0
          num_ctdsclim(bi,bj) = 0. _d 0
          num_xbt(bi,bj)      = 0. _d 0
          num_argot(bi,bj)    = 0. _d 0
          num_argos(bi,bj)    = 0. _d 0
          num_drift(bi,bj)    = 0. _d 0
          num_wdrift(bi,bj)   = 0. _d 0
          num_sdrift(bi,bj)   = 0. _d 0
          num_tdrift(bi,bj)   = 0. _d 0
          num_scatx(bi,bj)    = 0. _d 0
          num_scaty(bi,bj)    = 0. _d 0
          num_scatxm(bi,bj)   = 0. _d 0
          num_scatym(bi,bj)   = 0. _d 0
          num_atemp(bi,bj)    = 0. _d 0
          num_aqh(bi,bj)      = 0. _d 0
          num_precip(bi,bj)   = 0. _d 0
          num_swflux(bi,bj)   = 0. _d 0
          num_swdown(bi,bj)   = 0. _d 0
          num_uwind(bi,bj)    = 0. _d 0
          num_vwind(bi,bj)    = 0. _d 0
          num_obcsn(bi,bj)    = 0. _d 0
          num_obcss(bi,bj)    = 0. _d 0
          num_obcsw(bi,bj)    = 0. _d 0
          num_obcse(bi,bj)    = 0. _d 0
          num_curmtr(bi,bj)   = 0. _d 0
          num_ageos(bi,bj)    = 0. _d 0
          num_diffkr(bi,bj)   = 0. _d 0
          num_kapgm(bi,bj)    = 0. _d 0
          num_kapredi(bi,bj)    = 0. _d 0
          num_eddytau(bi,bj)    = 0. _d 0
          num_bottomdrag(bi,bj)    = 0. _d 0
#ifdef ALLOW_GENCOST_CONTRIBUTION
          do k=1,NGENCOST
            num_gencost(bi,bj,k)    = 0. _d 0
          enddo
#endif
          do k=1,NUSERCOST
          num_usercost(k,bi,bj)    = 0. _d 0
          enddo
          do k=1,NSSHV4COST
          num_sshv4cost(k,bi,bj)    = 0. _d 0
          enddo
          num_theta_ini_fin(bi,bj) = 0. _d 0
          num_salt_ini_fin(bi,bj)  = 0. _d 0
        enddo
      enddo

      k = 1
      do bj = jtlo,jthi
        do bi = itlo,ithi
          do j = jmin,jmax
            do i = imin,imax
#ifdef ALLOW_SSH_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  tpmeanmask(i,j,bi,bj) = 0. _d 0
               else
                  tpmeanmask(i,j,bi,bj) = 1. _d 0
               endif
               tpmean(i,j,bi,bj)     = 0. _d 0
#endif
#ifdef ALLOW_SSH_TPANOM_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  tpmask(i,j,bi,bj) = 0. _d 0
               else
                  tpmask(i,j,bi,bj) = 1. _d 0
               endif
               tpobs(i,j,bi,bj)      = 0. _d 0
#endif
#ifdef ALLOW_SSH_ERSANOM_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  ersmask(i,j,bi,bj) = 0. _d 0
               else
                  ersmask(i,j,bi,bj) = 1. _d 0
               endif
               ersobs(i,j,bi,bj)     = 0. _d 0
#endif
#ifdef ALLOW_SSH_GFOANOM_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  gfomask(i,j,bi,bj) = 0. _d 0
               else
                  gfomask(i,j,bi,bj) = 1. _d 0
               endif
               gfoobs(i,j,bi,bj)     = 0. _d 0
#endif
#ifdef ALLOW_TMI_SST_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  tmimask(i,j,bi,bj) = 0. _d 0
               else
                  tmimask(i,j,bi,bj) = 1. _d 0
               endif
#endif
#ifdef ALLOW_SST_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  sstmask(i,j,bi,bj) = 0. _d 0
               else
                  sstmask(i,j,bi,bj) = 1. _d 0
               endif
#endif
#ifdef ALLOW_SSS_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  sssmask(i,j,bi,bj) = 0. _d 0
               else
                  sssmask(i,j,bi,bj) = 1. _d 0
               endif
#endif
#ifdef ALLOW_BP_COST_CONTRIBUTION
               if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                  bpmask(i,j,bi,bj) = 0. _d 0
               else
                  bpmask(i,j,bi,bj) = 1. _d 0
               endif
               bpdat(i,j,bi,bj)     = 0. _d 0
#endif
            enddo
          enddo
        enddo
      enddo

#ifdef GENERIC_BAR_MONTH
      do bj = jtlo,jthi
       do bi = itlo,ithi
        do k =1,Nr
         do j = jmin,jmax
          do i = imin,imax
           tbar_gen(i,j,k,bi,bj) = 0. _d 0
           sbar_gen(i,j,k,bi,bj) = 0. _d 0
          enddo
         enddo
        enddo
       enddo
      enddo
#endif

c--   Initialise the "global" parts of the cost function.
      _BEGIN_MASTER( mythid )
        objf_obcsvol = 0. _d 0
        objf_hmean   = 0. _d 0
        objf_hfluxmm = 0. _d 0
        objf_sfluxmm = 0. _d 0
        objf_transp  = 0. _d 0
        num_obcsvol = 0. _d 0
        num_hmean   = 0. _d 0
        num_transp  = 0. _d 0
      _END_MASTER( mythid )

      _BARRIER

      return
      end